Finding the Fourth Proportional to 10,399.30, 14,350.98 and 5,683.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399.30 : 14,350.98 = 5,683.48 : x
2. Step 2: Convert to fraction form
   10,399.30/14,350.98 = 5,683.48/x
3. Step 3: Cross multiply
   10,399.30x = 14,350.98 × 5,683.48
4. Step 4: Simplify right side
   10,399.30x = 81,563,507.81
5. Step 5: Solve for x
   x = 81,563,507.81/10,399.30
6. Step 6: Final answer
   x = 7,843.17